Jarrett Allen Blocks Prop is currently Over/Under 2.5 (-137/-137).
The money has been on the Over as it opened 0.5 @ -137 before it was bet up to 2.5 @ -137.
FACTORS THAT FAVOR THE OVER:
The Nets have played at the 8th-most up-tempo tempo in the league over the last 5 games in their home stadium, which should boost possessions for the Cavaliers.